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   <div id="projectname">gbmath
   &#160;<span id="projectnumber">v0.051</span>
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   <div id="projectbrief">c++ math library</div>
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<div class="title">frustum.cpp</div>  </div>
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<a href="frustum_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;﻿ </div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;</div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="__gbmath_8h.html" title="MAIN INCLUDE HEADER. ">_gbmath.h</a>&quot;</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;</div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;</div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="keyword">namespace </span>gbmath</div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;{</div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div>
<div class="line"><a name="l00010"></a><span class="lineno"><a class="code" href="classgbmath_1_1frustum.html#a480d3add013b9a2c846f9af2f143d712">   10</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classgbmath_1_1frustum.html#a480d3add013b9a2c846f9af2f143d712" title="Build the matrix product of the view * proj. ">frustum::make</a>(<span class="keyword">const</span>  <a class="code" href="structgbmath_1_1mat44.html" title="matrix 4x4. ">mat44</a>&amp; mViewProj)</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;{</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;    <span class="comment">// left plane</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[0].<a class="code" href="structgbmath_1_1plane__s.html#a4aaccd5889da75e7709147e4073dbe63">a</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a1263c82107dce40f62bbf223d4a2fe58">_14</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#abc27402f91ffb83ab0eb46bf591db261">_13</a>;</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[0].<a class="code" href="structgbmath_1_1plane__s.html#a7d5f9da13b581ba03a99a6b37c68724c">b</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a02e896a0d8bb375f430fc387ff773248">_24</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a2e13ed94b2f1c06f590005498e834c41">_23</a>;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[0].<a class="code" href="structgbmath_1_1plane__s.html#a6962e88edd85b1867cc60b7ece9c51ef">c</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0be86c8b892139d6fcd141a78d9bf02f">_34</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a5808bf751702b406781bf8d6e2a82408">_33</a>;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[0].<a class="code" href="structgbmath_1_1plane__s.html#a6e8a5a04c1ed7f04ceadc93aa69d141c">d</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0bf5358db28c4ccfe5d366b31b3a297f">_44</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a47300a3aa5bb132868de2a94fe79d6e3">_43</a>;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[0].<a class="code" href="structgbmath_1_1plane__s.html#ab1920bc1dadab90eb4dd5d8e4f8956b8">normalize</a>();</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    <span class="comment">// right plane</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[1].<a class="code" href="structgbmath_1_1plane__s.html#a4aaccd5889da75e7709147e4073dbe63">a</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a1263c82107dce40f62bbf223d4a2fe58">_14</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#abc27402f91ffb83ab0eb46bf591db261">_13</a>;</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[1].<a class="code" href="structgbmath_1_1plane__s.html#a7d5f9da13b581ba03a99a6b37c68724c">b</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a02e896a0d8bb375f430fc387ff773248">_24</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a2e13ed94b2f1c06f590005498e834c41">_23</a>;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[1].<a class="code" href="structgbmath_1_1plane__s.html#a6962e88edd85b1867cc60b7ece9c51ef">c</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0be86c8b892139d6fcd141a78d9bf02f">_34</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a5808bf751702b406781bf8d6e2a82408">_33</a>;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[1].<a class="code" href="structgbmath_1_1plane__s.html#a6e8a5a04c1ed7f04ceadc93aa69d141c">d</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0bf5358db28c4ccfe5d366b31b3a297f">_44</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a47300a3aa5bb132868de2a94fe79d6e3">_43</a>;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[1].<a class="code" href="structgbmath_1_1plane__s.html#ab1920bc1dadab90eb4dd5d8e4f8956b8">normalize</a>();</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    <span class="comment">// top plane</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[2].<a class="code" href="structgbmath_1_1plane__s.html#a4aaccd5889da75e7709147e4073dbe63">a</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a1263c82107dce40f62bbf223d4a2fe58">_14</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#af3e99cb3e2fa6aeb124b9f27964f2003">_11</a>;</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[2].<a class="code" href="structgbmath_1_1plane__s.html#a7d5f9da13b581ba03a99a6b37c68724c">b</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a02e896a0d8bb375f430fc387ff773248">_24</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#ae3126d9cf5d065ee9d24b3de96a5f17f">_21</a>;</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[2].<a class="code" href="structgbmath_1_1plane__s.html#a6962e88edd85b1867cc60b7ece9c51ef">c</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0be86c8b892139d6fcd141a78d9bf02f">_34</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#aabf304b5ece7ff9d2a006ca0467a3b27">_31</a>;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[2].<a class="code" href="structgbmath_1_1plane__s.html#a6e8a5a04c1ed7f04ceadc93aa69d141c">d</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0bf5358db28c4ccfe5d366b31b3a297f">_44</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a455efa123492579000a3f1ab054d86af">_41</a>;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[2].<a class="code" href="structgbmath_1_1plane__s.html#ab1920bc1dadab90eb4dd5d8e4f8956b8">normalize</a>();</div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    <span class="comment">//Bottom  plane</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[3].<a class="code" href="structgbmath_1_1plane__s.html#a4aaccd5889da75e7709147e4073dbe63">a</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a1263c82107dce40f62bbf223d4a2fe58">_14</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#af3e99cb3e2fa6aeb124b9f27964f2003">_11</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[3].<a class="code" href="structgbmath_1_1plane__s.html#a7d5f9da13b581ba03a99a6b37c68724c">b</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a02e896a0d8bb375f430fc387ff773248">_24</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#ae3126d9cf5d065ee9d24b3de96a5f17f">_21</a>;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[3].<a class="code" href="structgbmath_1_1plane__s.html#a6962e88edd85b1867cc60b7ece9c51ef">c</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0be86c8b892139d6fcd141a78d9bf02f">_34</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#aabf304b5ece7ff9d2a006ca0467a3b27">_31</a>;</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[3].<a class="code" href="structgbmath_1_1plane__s.html#a6e8a5a04c1ed7f04ceadc93aa69d141c">d</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0bf5358db28c4ccfe5d366b31b3a297f">_44</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a455efa123492579000a3f1ab054d86af">_41</a>;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[3].<a class="code" href="structgbmath_1_1plane__s.html#ab1920bc1dadab90eb4dd5d8e4f8956b8">normalize</a>();</div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;    <span class="comment">// near  plane</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[4].<a class="code" href="structgbmath_1_1plane__s.html#a4aaccd5889da75e7709147e4073dbe63">a</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a1263c82107dce40f62bbf223d4a2fe58">_14</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#ae487a7a18dc991d17b5de87334728e6c">_12</a>;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[4].<a class="code" href="structgbmath_1_1plane__s.html#a7d5f9da13b581ba03a99a6b37c68724c">b</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a02e896a0d8bb375f430fc387ff773248">_24</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a51a6825aacf2e40c7f4c1774d4105d9a">_22</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[4].<a class="code" href="structgbmath_1_1plane__s.html#a6962e88edd85b1867cc60b7ece9c51ef">c</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0be86c8b892139d6fcd141a78d9bf02f">_34</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#aa725b6a8854a3dea9cad3e393a42200a">_32</a>;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[4].<a class="code" href="structgbmath_1_1plane__s.html#a6e8a5a04c1ed7f04ceadc93aa69d141c">d</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0bf5358db28c4ccfe5d366b31b3a297f">_44</a> - mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a2701cfe76461e9722ac37cc8afac457e">_42</a>;</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[4].<a class="code" href="structgbmath_1_1plane__s.html#ab1920bc1dadab90eb4dd5d8e4f8956b8">normalize</a>();</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="comment">// far  plane</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[5].<a class="code" href="structgbmath_1_1plane__s.html#a4aaccd5889da75e7709147e4073dbe63">a</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a1263c82107dce40f62bbf223d4a2fe58">_14</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#ae487a7a18dc991d17b5de87334728e6c">_12</a>;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[5].<a class="code" href="structgbmath_1_1plane__s.html#a7d5f9da13b581ba03a99a6b37c68724c">b</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a02e896a0d8bb375f430fc387ff773248">_24</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a51a6825aacf2e40c7f4c1774d4105d9a">_22</a>;</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[5].<a class="code" href="structgbmath_1_1plane__s.html#a6962e88edd85b1867cc60b7ece9c51ef">c</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0be86c8b892139d6fcd141a78d9bf02f">_34</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#aa725b6a8854a3dea9cad3e393a42200a">_32</a>;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[5].<a class="code" href="structgbmath_1_1plane__s.html#a6e8a5a04c1ed7f04ceadc93aa69d141c">d</a> = mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a0bf5358db28c4ccfe5d366b31b3a297f">_44</a> + mViewProj.<a class="code" href="structgbmath_1_1mat44.html#a2701cfe76461e9722ac37cc8afac457e">_42</a>;</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[5].<a class="code" href="structgbmath_1_1plane__s.html#ab1920bc1dadab90eb4dd5d8e4f8956b8">normalize</a>();</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;};</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="classgbmath_1_1frustum.html#a7d6f924d82506096f36017c85dd87a37">   70</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classgbmath_1_1frustum.html#a7d6f924d82506096f36017c85dd87a37" title="Verification of the point of the pyramid. ">frustum::checkPoint</a>(<span class="keyword">const</span>  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>&amp; <a class="code" href="structgbmath_1_1point.html" title="simple point (integer). ">point</a>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> c=0; c&lt;6; c++)</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    {</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;        <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(point) &lt; 0.0f )</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;        {</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;        }</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    }</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;}</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="code" href="classgbmath_1_1frustum.html#a82245b34adccef7b9301bfc1c83cbc91">   84</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classgbmath_1_1frustum.html#a82245b34adccef7b9301bfc1c83cbc91" title="Hit Testing in the scope of the pyramid. ">frustum::checkSphere</a>(<span class="keyword">const</span> <a class="code" href="classgbmath_1_1sphere.html" title="The scope of the center point and radius. She Bounding sphere. ">sphere</a>&amp; <a class="code" href="classgbmath_1_1sphere.html" title="The scope of the center point and radius. She Bounding sphere. ">sphere</a>)<span class="keyword">  const</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> c=0; c&lt;6; c++)</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    {</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;        <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(sphere.<a class="code" href="classgbmath_1_1sphere.html#a77fc8034e9af445efa9b69843d671595" title="center of sphere. ">center</a>) &lt; -sphere.<a class="code" href="classgbmath_1_1sphere.html#abcbf635769e57912ba6473161b0a13b5" title="radius of sphere. ">radius</a>  )</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;        {</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;          <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;        }</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    }</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;}</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;</div>
<div class="line"><a name="l00098"></a><span class="lineno"><a class="code" href="classgbmath_1_1frustum.html#ab115367f00736ba45f0ac82ce22e6eb7">   98</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classgbmath_1_1frustum.html#ab115367f00736ba45f0ac82ce22e6eb7" title="Hit Testing in the pyramid box. ">frustum::checkAABB</a>(<span class="keyword">const</span> <a class="code" href="classgbmath_1_1aabb.html" title="Axis Aligned Bounding Box by min and max points. ">aabb</a>&amp; <a class="code" href="classgbmath_1_1aabb.html" title="Axis Aligned Bounding Box by min and max points. ">aabb</a>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <span class="keywordflow">for</span>(<span class="keywordtype">int</span> c=0; c&lt;6; c++)</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    {</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;        <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>(aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#aa096d36a3c46c4224f0195f70eb580ec">y</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>) ) &gt;= 0.0f )</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        <span class="comment">//if(D3DXPlaneDotCoord((D3DXPLANE*)&amp;planes[c], &amp;D3DXVECTOR3(aabb.min.x, aabb.min.y, aabb.min.z)) &gt;= 0.0f)</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;          <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>(aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#aa096d36a3c46c4224f0195f70eb580ec">y</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>) ) &gt;= 0.0f )</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;        <span class="comment">//if(D3DXPlaneDotCoord((D3DXPLANE*)&amp;planes[c], &amp;D3DXVECTOR3(aabb.max.x, aabb.min.y, aabb.min.z)) &gt;= 0.0f)</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;          <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>(aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>) ) &gt;= 0.0f )</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;        <span class="comment">//if(D3DXPlaneDotCoord((D3DXPLANE*)&amp;planes[c], &amp;D3DXVECTOR3(aabb.min.x, aabb.max.x, aabb.min.z)) &gt;= 0.0f)</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;          <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>(aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>) ) &gt;= 0.0f )</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;        <span class="comment">//if(D3DXPlaneDotCoord((D3DXPLANE*)&amp;planes[c], &amp;D3DXVECTOR3(aabb.max.x, aabb.max.x, aabb.min.z)) &gt;= 0.0f)</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;          <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>(aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#aa096d36a3c46c4224f0195f70eb580ec">y</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>) ) &gt;= 0.0f )</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        <span class="comment">//if(D3DXPlaneDotCoord((D3DXPLANE*)&amp;planes[c], &amp;D3DXVECTOR3(aabb.min.x, aabb.min.y, aabb.max.z)) &gt;= 0.0f)</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;          <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>(aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#aa096d36a3c46c4224f0195f70eb580ec">y</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>) ) &gt;= 0.0f )</div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;        <span class="comment">//if(D3DXPlaneDotCoord((D3DXPLANE*)&amp;planes[c], &amp;D3DXVECTOR3(aabb.max.x, aabb.min.y, aabb.max.z)) &gt;= 0.0f)</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;          <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>(aabb.<a class="code" href="classgbmath_1_1aabb.html#a8d9ee7f37938613852e9bad91560fadf">min</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>) ) &gt;= 0.0f )</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        <span class="comment">//if(D3DXPlaneDotCoord((D3DXPLANE*)&amp;planes[c], &amp;D3DXVECTOR3(aabb.min.x, aabb.max.x, aabb.max.z)) &gt;= 0.0f)</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;          <span class="keywordflow">if</span>( <a class="code" href="classgbmath_1_1frustum.html#a6436dc2d750d1c567d16a92124e0d38c">planes</a>[c].dotCoord(  <a class="code" href="structgbmath_1_1vec3.html" title="3d-base vector. Corrected by operators epislon ">vec3</a>(aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a5fb2cf8734338da1ad7b4251a3bde292">x</a>, aabb.<a class="code" href="classgbmath_1_1aabb.html#a739cbaa1eef4c6f6d4018ed566fa9d5c">max</a>.<a class="code" href="structgbmath_1_1vec3.html#a546e6c38e7c49102f064d130ed3475ee">z</a>) ) &gt;= 0.0f )</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;        <span class="comment">//if(D3DXPlaneDotCoord((D3DXPLANE*)&amp;planes[c], &amp;D3DXVECTOR3(aabb.max.x, aabb.max.x, aabb.max.z)) &gt;= 0.0f)</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    }</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;}</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;}</div>
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